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SubjectRe: kernel 2.6.0, wrong Kconfig directives
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Muli Ben-Yehuda <mulix@mulix.org> writes:

> On Fri, Dec 26, 2003 at 04:20:21AM +0900, OGAWA Hirofumi wrote:
> >
> > > - SOUND_GAMEPORT option is always turned on
> > >
> > > ./drivers/input/gameport/Kconfig
> > >
> > > 22: config SOUND_GAMEPORT
> > > 23: tristate
> > > 24: default y if GAMEPORT!=m
> > > 25: default m if GAMEPORT=m
> > >
> > > line 24 is definetly wrong, option is enabled if GAMEPORT=n.
> >
> > This patch uses "select" for the dependency of GAMEPORT.
>
> This is wrong. It forces the joystick (GAMEPORT) in even when it's not
> needed, whereas SOUND_GAMEPORT handles all cases fine. That way lies
> kernel bloat. Please apply this documentation patch instead:
>
> Index: drivers/input/gameport/Kconfig
> ===================================================================
> RCS file: /home/muli/kernel/cvsroot/linux-2.5/drivers/input/gameport/Kconfig,v
> retrieving revision 1.4
> diff -u -u -r1.4 Kconfig
> --- drivers/input/gameport/Kconfig 26 Sep 2003 00:23:18 -0000 1.4
> +++ drivers/input/gameport/Kconfig 25 Dec 2003 19:48:49 -0000
> @@ -19,6 +19,17 @@
> To compile this driver as a module, choose M here: the
> module will be called gameport.
>
> +
> +# Yes, this looks a bit odd. Yes, it ends up being turned on in lots
> +# of cases. Please don't touch it. It is here to handle the case where
> +# a sound driver can be either a module or compiled in if GAMEPORT is
> +# not selected, but must be a module if the joystick is selected as a
> +# module. The sound driver calls GAMEPORT functions. If GAMEPORT is
> +# not selected, stubs are provided. If GAMEPORT is built in,
> +# everything is fine. If GAMEPORT is a module, however, it would need
> +# to be loaded for the sound driver to be able to link
> +# properly. Therefore, the sound driver must be a module as well in
> +# that case (and the GAMEPORT module must be loaded first).
> config SOUND_GAMEPORT
> tristate
> default y if GAMEPORT!=m

I see. So why did we need the SOUND_GAMEPORT?
--
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
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